// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CC_RESOURCES_UI_RESOURCE_REQUEST_H_
#define CC_RESOURCES_UI_RESOURCE_REQUEST_H_

#include <memory>

#include "base/logging.h"
#include "cc/base/cc_export.h"
#include "cc/resources/ui_resource_bitmap.h"
#include "cc/resources/ui_resource_client.h"

namespace cc {

class CC_EXPORT UIResourceRequest {
public:
    enum UIResourceRequestType {
        UI_RESOURCE_CREATE,
        UI_RESOURCE_DELETE,
        UI_RESOURCE_INVALID_REQUEST
    };

    UIResourceRequest(UIResourceRequestType type, UIResourceId id);
    UIResourceRequest(UIResourceRequestType type,
        UIResourceId id,
        const UIResourceBitmap& bitmap);
    UIResourceRequest(const UIResourceRequest& request);

    ~UIResourceRequest();

    UIResourceRequestType GetType() const { return type_; }
    UIResourceId GetId() const { return id_; }
    UIResourceBitmap GetBitmap() const
    {
        DCHECK(bitmap_);
        return *bitmap_.get();
    }

    UIResourceRequest& operator=(const UIResourceRequest& request);

private:
    UIResourceRequestType type_;
    UIResourceId id_;
    std::unique_ptr<UIResourceBitmap> bitmap_;
};

} // namespace cc

#endif // CC_RESOURCES_UI_RESOURCE_REQUEST_H_
